Knife Tower 2, also known as DOTA2, is a game jointly developed by IceFrog, the core map maker of DOTA, and Valve Company of the United States. The test started on April 28th, 20 13, and the Chinese version is Knife Tower, which is the second work in this series.

"Knife Tower 2" invited Li Shihong, the voice actor of CCTV 86 the Monkey King, to voice the new hero Qi Tian Sheng Da.

Knife Tower 2 completely inherited the original DotA's 100 heroes, and broke away from the multiplayer real-time battle game of Warcraft III engine that the previous generation DOTA relied on. The world of the Knife Tower 2 is composed of the upper, middle and lower areas under the jurisdiction of Tianhui and Nightmare, with rivers as the boundary. Each camp is guarded by heroes played by five players. They will take the mission of protecting their own ancient relics and destroying the enemy's ancient relics, and win by upgrading their ranks, making money, buying equipment and killing enemy heroes.

20211.5, Knife Tower 2 was selected 19 Asian Games e-sports competition. 2021116, DOTA2 released an update to officially remove the game's support for 32-bit systems. In September, DOTA2 officially announced the final competition system and grouping of TI 1 1. The final breakthrough is divided into two stages: group stage and knockout stage.

June 5438 +2022 10, the agency announced the new hero of DOTA2, Qiong Ying Biling, which is expected to go online in 2023.